Burning fossil fuels releases carbon dioxide and causes global warming
Answer:
The sun ejected rocky material, which later went on to form the planets.
Answer:
Increase with a stimulant and decrease with a depressant
Explanation:
Stimulants and depressants are observed using various organisms. The way a stimulant works is by increasing the dopamine levels in the body. This in turn causes increased heart rate as would be seen in the chick embryo heart. On the other hand a depressant would lower dopamine levels. This would reduce the neurotransmitter and cause the heart rate to slow down.
C) Eukaryotes have membrane-bound organelles and typically as a rule of thumb more complex that prokaryotes
